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