Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sat sinh cua snippets" » "sat tinh cua snippets", "vat sinh cua snippets", "phat sinh cua snippets", "sat manh cua snippets", "sat dinh cuu snippets", "sat sinh va 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: (((("sat sinh 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: (((("sat sinh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sat sinh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sat sinh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.