Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phai cuu xac snippets" » "phai cua xac snippets", "phai cuoi xac snippets", "thai cua xac snippets", "phai cuu dac snippets", "phai cuu cac snippets", "phai cuu xay 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: (((("phai cuu xac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phai cuu xac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phai cuu xac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phai cuu xac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.