Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu bach mon snippets" » "huu phach mon snippets", "huu hanh mon snippets", "vu bach mon snippets", "huu bach mai snippets", "huu cac mon snippets", "huu bac son 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: (((("huu bach mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu bach mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu bach mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu bach mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.