Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chao sen voi snippets" » "chao yen voi snippets", "cao son voi snippets", "chao van voi snippets", "chao den voi snippets", "chao dien voi snippets", "chao quen 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: (((("chao sen 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: (((("chao sen voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chao sen voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao sen voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.