Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan tam can snippets" » "quan tai can snippets", "quan am can snippets", "quan nam can snippets", "quan tam chan snippets", "quan tac can snippets", "quan tam van 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: (((("quan tam can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan tam can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan tam can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan tam can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.