Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi lai hong snippets" » "thi lai hoang snippets", "thi dai hong snippets", "thi lai dong snippets", "thai lai hong snippets", "thi mai hong snippets", "thi lan hong 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: (((("thi lai hong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi lai hong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi lai hong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi lai hong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.