Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trieu ly cua snippets" » "triet ly cua snippets", "trieu lit cua snippets", "trinh ly cua snippets", "trieu le 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: (((("trieu ly 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: (((("trieu ly cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trieu ly cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trieu ly cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.