Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"cong lon vi snippets" » "cong luong vi snippets", "cong dong vi snippets", "cong cong vi snippets", "cong don vi snippets", "cong lon va snippets", "cong hon vi snippets", "cong lon vi slippers"

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: (((("cong lon vi snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong lon vi snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cong lon vi snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong lon vi snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.