Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sang cho du snippets" » "danh cho du snippets", "dung cho du snippets", "sang tao du snippets", "sang cho cu snippets", "sang cho tu snippets", "sang cho duoc 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 du 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 du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang cho du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang cho du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.