Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi tuc cham snippets" » "thi tuc code snippets", "thi toc cham snippets", "thi tu cham snippets", "thi phuc cham snippets", "thai tuc cham snippets", "thi thuc cham snippets", "thi truc 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: (((("thi tuc 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: (((("thi tuc cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi tuc cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tuc cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.