Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sen ha dong snippets" » "sen hoat dong snippets", "sen van dong snippets", "son ha dong snippets", "den ha dong snippets", "sen khoa dong 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: (((("sen ha dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sen ha dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sen ha dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sen ha dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.