Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua phap cau snippets" » "cua phap code snippets", "cu phap cau snippets", "va phap cau snippets", "cua nha cau snippets", "cua phan cau snippets", "cua pha cau snippets", "cua phap ca 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: (((("cua phap 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: (((("cua phap cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cua phap cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua phap cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.