Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sang cho co snippets" » "danh cho co snippets", "dung cho co snippets", "sang tao co snippets", "sang cheo co snippets", "sang cho cao snippets", "sang cho con 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: (((("sang cho co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sang cho co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang cho co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang cho co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.