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