Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuong ve mon snippets" » "cuong vo mon snippets", "duong ve mon snippets", "luong va mon snippets", "cuong ve moi snippets", "cuong ve mot snippets", "cuong me mon 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: (((("cuong ve mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong ve mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong ve mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong ve mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.