Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh vuc cho snippets" » "dinh duc cho snippets", "linh vuc cho snippets", "dinh luc cho snippets", "dinh vu cho snippets", "dinh viec cho snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dinh vuc cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh vuc cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh vuc cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh vuc cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.