Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"truc dan phi snippets" » "thuc dan phi snippets", "tuc dan phi snippets", "truc ban phi snippets", "truc dang phi snippets", "truc dan thi snippets", "truc dan pho 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: (((("truc dan phi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truc dan phi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( truc dan phi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc dan phi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.