Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh cho cua snippets" » "danh cheo cua snippets", "danh co cua snippets", "danh chi cua snippets", "doanh cho cua snippets", "dan cho cua snippets", "dinh cho 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: (((("danh cho 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: (((("danh cho cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh cho cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh cho cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.