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