Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vong doi son snippets" » "vong doi code snippets", "trong doi son snippets", "huong doi son snippets", "dung doi son snippets", "vong doi song snippets", "vong dai son snippets", "vong do son 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: (((("vong doi son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vong doi son snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vong doi son snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vong doi son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.