Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuoc de cua snippets" » "thuoc do cua snippets", "thuoc he cua snippets", "thuoc dieu cua snippets", "thuoc le cua snippets", "thuoc te 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: (((("thuoc de 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: (((("thuoc de cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuoc de cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc de cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.