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