Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap cong ho snippets" » "tmcp cong ho snippets", "cac cong ho snippets", "tap co ho snippets", "tap cong hoa snippets", "tap cong cho snippets", "tap cong hon 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 cong ho 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 cong ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap cong ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap cong ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.