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