Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ban cau hoc snippets" » "ban cau code snippets", "bang cau hoc snippets", "ban can hoc snippets", "van cau hoc snippets", "ban cau hoi snippets", "ban cau hoa snippets", "ban cao hoc 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: (((("ban cau hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban cau hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ban cau hoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban cau hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.