Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tai quoc do snippets" » "mai quoc do snippets", "thi quoc do snippets", "tri quoc do snippets", "tai duoc do snippets", "tai nuoc do snippets", "tai quoc co 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: (((("tai quoc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tai quoc do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tai quoc do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tai quoc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.