Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi ben voi snippets" » "khi nen voi snippets", "chi ben voi snippets", "khi ban voi snippets", "khi ben moi snippets", "khi den 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: (((("khi ben 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: (((("khi ben voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi ben voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi ben voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.