Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap kinh de snippets" » "nha kinh de snippets", "than kinh de snippets", "nhan sinh de snippets", "nhap kinh te snippets", "nhap kinh do snippets", "nhap kinh ve 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: (((("nhap kinh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap kinh de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap kinh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap kinh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.