Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang cac cua snippets" » "dang cac code snippets", "dung cac cua snippets", "bang cac cua snippets", "dong cac cua snippets", "dang cach cua snippets", "dang cac qua snippets", "dang ca 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: (((("dang cac 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: (((("dang cac cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang cac cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang cac cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.