Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vit ban cau snippets" » "vit ban code snippets", "vi ban cau snippets", "viet bang cau snippets", "viec ban cau snippets", "vit bang cau snippets", "vit ban can snippets", "vit van cau 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: (((("vit ban cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vit ban cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vit ban cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vit ban cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.