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"
"a phan zhen snippets" » "a pan zhen snippets", "a phan kien snippets", "a phan bien snippets", "va phan zhen snippets", "xa phan zhen snippets", "d phan zhen snippets", "a phan zhen 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: (((("a phan zhen snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("a phan zhen snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( a phan zhen snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("a phan zhen snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.