Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung mau cua snippets" » "dung mau code snippets", "dung may cua snippets", "dung dau cua snippets", "dang mau cua snippets", "dung ma cua snippets", "dung mat cua snippets", "dung cau cua 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: (((("dung mau cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung mau cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung mau cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung mau cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.