Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho tinh cao snippets" » "khoa tinh cao snippets", "khoi tinh cao snippets", "tho tinh cao snippets", "kho tinh lao snippets", "kho tinh chat snippets", "kho tinh cach 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: (((("kho tinh cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho tinh cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho tinh cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho tinh cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.