Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phu hoi cham snippets" » "phu hoi code snippets", "phu hoi chuc snippets", "phu hoi chu snippets", "phu toc cham snippets", "phuc hoi cham snippets", "phu doi cham snippets", "thu hoi cham 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: (((("phu hoi cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu hoi cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phu hoi cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu hoi cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.