Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan cham hoi snippets" » "dan cham code snippets", "dan chan hoi snippets", "gian cham hoi snippets", "nang cham hoi snippets", "dan cham voi snippets", "dan cham h'roi snippets", "dan 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: (((("dan 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: (((("dan cham hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan cham hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan cham hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.