Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hon gian cac snippets" » "don gian cac snippets", "con gian cac snippets", "khong gian cac snippets", "hon gian dan snippets", "hon gian 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: (((("hon gian cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hon gian cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hon gian cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hon gian cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.