Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan vu hoat snippets" » "tan va hoat snippets", "tan ve hoat snippets", "tan vu hoan snippets", "tran vu hoat snippets", "van vu hoat snippets", "tan su hoat 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: (((("tan vu hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan vu hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan vu hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan vu hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.