Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong huy loc snippets" » "duong huu loc snippets", "dong luc loc snippets", "dong hoc loc snippets", "dong huu loc snippets", "dong huy hoc snippets", "dong thuy loi 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: (((("dong huy loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong huy loc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong huy loc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong huy loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.