Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap don cho snippets" » "tap doan cho snippets", "tap dong cho snippets", "tap ion cho snippets", "tap ton cho snippets", "tap con cho 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 don cho 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 don cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap don cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap don cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.