Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nghia tu vo snippets" » "nghia duy vo snippets", "nghia cua vo snippets", "nghia xa vo snippets", "nghia tu va snippets", "nghia tu so snippets", "nghia tu do 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: (((("nghia tu vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghia tu vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghia tu vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghia tu vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.