Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day nhanh ve snippets" » "day thanh ve snippets", "duy nhanh ve snippets", "dac nhan ve snippets", "day hanh ve snippets", "day nhanh 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: (((("day nhanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("day nhanh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day nhanh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day nhanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.