Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri ngoc hoi snippets" » "thi ngoc hoi snippets", "tri ngo hoi snippets", "tri ngon hoi snippets", "tri ngoc hai snippets", "tri ngoc hoa snippets", "tri ngoai hoi 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: (((("tri ngoc 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: (((("tri ngoc hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri ngoc hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri ngoc hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.