Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran huu mot snippets" » "tran duc mot snippets", "tran cuu mot snippets", "tran huy mot snippets", "tran hieu mot 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: (((("tran huu mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran huu mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran huu mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran huu mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.