Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi chu chan snippets" » "thi chu han snippets", "thi chua chay snippets", "thi chu van snippets", "thi chau chan snippets", "thi thu chan snippets", "thi nhu chan 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: (((("thi chu chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi chu chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi chu chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi chu chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.