Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam cham voi snippets" » "dam chat voi snippets", "nam cham voi snippets", "tam cham voi snippets", "dam cham hoi snippets", "dam pham voi snippets", "dam cham soc 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: (((("dam cham voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam cham voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam cham voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam cham voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.