Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu ly cau snippets" » "hieu ky cau snippets", "lieu ly cau snippets", "hien ly cau snippets", "hieu ly ca snippets", "hieu le cau snippets", "hieu ly cac snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("hieu ly cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu ly cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu ly cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu ly cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.