Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nhat hoa dat snippets" » "nhat nhoa dat snippets", "chat hoa dat snippets", "nhan hoa dat snippets", "nhat hoa dan snippets", "nhat hoa dai snippets", "nhat hoc dat 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: (((("nhat hoa dat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat hoa dat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhat hoa dat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat hoa dat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.