Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tam thanh do snippets" » "tam than do snippets", "nam thanh do snippets", "am thanh do snippets", "tam thanh pho snippets", "tam thanh hoa snippets", "tam thanh loi 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: (((("tam thanh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tam thanh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tam thanh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tam thanh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.