Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc va cau snippets" » "doc va code snippets", "duoc va cau snippets", "hoc va cau snippets", "duc va cau snippets", "doc van cau snippets", "doc va cac snippets", "doc va dau 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: (((("doc va 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: (((("doc va cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doc va cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc va cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.