Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac thanh do snippets" » "bac thanh do snippets", "cach nhanh do snippets", "ban thanh do snippets", "cac thanh pho snippets", "cac thanh hoa snippets", "cac 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: (((("cac 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: (((("cac thanh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac thanh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac thanh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.