Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham dang de snippets" » "pham dang de snippets", "chan dang de snippets", "cao dang de snippets", "cham dang deo snippets", "cham dung de snippets", "cham dang do 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: (((("cham dang 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: (((("cham dang de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham dang de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham dang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.