Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao mo cua snippets" » "dao o cua snippets", "tao mo cua snippets", "dao do cua snippets", "dao moi cua snippets", "dao co cua snippets", "dao ma cua 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: (((("dao mo cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao mo cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao mo cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao mo cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.