Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan duoc cua snippets" » "tao duoc cua snippets", "tran duc cua snippets", "da duoc cua snippets", "tan duoc sua snippets", "tan nuoc cua snippets", "tan doc cua 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: (((("tan duoc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan duoc cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan duoc cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan duoc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.