Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phat voi can snippets" » "phat voi code snippets", "phat vi can snippets", "pham voi can snippets", "pho voi can snippets", "phat voi cac snippets", "phat voi cong snippets", "phat voi hang snippets"
"python using java snippets" » "python using data 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: (((("phat voi can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat voi can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phat voi can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat voi can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.