Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chua dung cu snippets" » "chua dong cu snippets", "thuat dung cu snippets", "chua nhung cu snippets", "chua dung cua snippets", "chua dung co snippets", "chua dung cho 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: (((("chua dung 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: (((("chua dung cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua dung cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua dung cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.