Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha cau voi snippets" » "pha cau code snippets", "phan cau voi snippets", "phap cau voi snippets", "pha cac voi snippets", "pha cau hoi snippets", "pha cau doi snippets", "pha cau noi 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: (((("pha cau voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha cau voi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pha cau voi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha cau voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.