Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim nhat cho snippets" » "kim nham cho snippets", "kim nhan cho snippets", "kien nhat cho snippets", "kim chat cho snippets", "kim nhat co snippets", "kim nhat nheo 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: (((("kim nhat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kim nhat cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim nhat cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim nhat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.