Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"theo chu dan snippets" » "theo chieu dan snippets", "cho chu dan snippets", "chao chu dan snippets", "theo chua dan snippets", "theo chu han snippets", "theo chu van snippets", "theo chu dan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("theo chu dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("theo chu dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( theo chu dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("theo chu dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.