Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vung de cac snippets" » "vung de code snippets", "dung de cac snippets", "vang de cac snippets", "vung re cac snippets", "vung den cac snippets", "vung ve cac snippets", "vung de cai snippets"
"python using java snippets" » "python using data 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: (((("vung de cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vung de cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vung de cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung de cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.