Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ton duoc hoi snippets" » "ton duc hoi snippets", "tan duoc hoi snippets", "trong duoc hoi snippets", "ton quoc hoi snippets", "ton duoc hoc snippets", "ton duoc si 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: (((("ton duoc hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ton duoc hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ton duoc hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ton duoc hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.