Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh hoa que snippets" » "dinh khoa que snippets", "minh hoa que snippets", "tinh hoa que snippets", "dinh hoa qua snippets", "dinh hoa hue snippets", "dinh hon que 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: (((("dinh hoa que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh hoa que snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh hoa que snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh hoa que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.