Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuc bieu do snippets" » "cac bieu do snippets", "cuc tieu do snippets", "cua bien do snippets", "cuc bien do snippets", "cuc bieu o snippets", "cuc bien doi 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: (((("cuc bieu 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: (((("cuc bieu do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuc bieu do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuc bieu do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.