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