Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son hanh noi snippets" » "son thanh noi snippets", "song hanh noi snippets", "hon hanh noi snippets", "son ha noi snippets", "son hanh vi 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 hanh noi 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 hanh noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son hanh noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son hanh noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.