Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son phap toi snippets" » "mon phap toi snippets", "son pham toi snippets", "san pham toi snippets", "son phap tai snippets", "son phap thi snippets", "son phap boi 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: (((("son phap toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son phap toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son phap toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son phap toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.