Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh vu can snippets" » "dich vu can snippets", "dinh ve can snippets", "dinh cu can snippets", "dinh vu van snippets", "dinh vu cao snippets", "dinh vu ban 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: (((("dinh vu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh vu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh vu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh vu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.