Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"theo chu con snippets" » "theo chieu con snippets", "cho chu con snippets", "chao chu con snippets", "theo chi con snippets", "theo cho con snippets", "theo chuc cong snippets"
"locating bug code snippets" » "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 con 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 con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( theo chu con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("theo chu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.