Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"buc tranh cu snippets" » "cuoc tranh cu snippets", "duc thanh cu snippets", "bo tranh cu snippets", "buc tranh cua snippets", "buc tranh co snippets", "buc tranh chua 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: (((("buc tranh cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("buc tranh cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( buc tranh cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("buc tranh cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.