Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tiep can voi snippets" » "tiep ban voi snippets", "tiep can moi snippets", "tiep cap voi snippets", "tien can voi snippets", "tieu can voi 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: (((("tiep can voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tiep can voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tiep can voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tiep can voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.