Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu ca chua snippets" » "thu ca cua snippets", "thu sua chua snippets", "thu cua chua snippets", "thu ha chua snippets", "thu ba chua 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: (((("thu ca chua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu ca chua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu ca chua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu ca chua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.