Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tao cham hoi snippets" » "tao cham code snippets", "tao chat hoi snippets", "tam cham hoi snippets", "cao chat hoi snippets", "tao cham voi snippets", "tao cham h'roi snippets", "tao pham hoai 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: (((("tao cham hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao cham hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tao cham hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao cham hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.