Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chieu ly doi snippets" » "hieu ly doi snippets", "chieu day doi snippets", "hieu ky doi snippets", "chieu ly dai snippets", "chieu ky doi snippets", "chieu ly do 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: (((("chieu ly doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chieu ly doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chieu ly doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chieu ly doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.