Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac bieu cau snippets" » "cac bieu code snippets", "cac kieu cau snippets", "cac bien cau snippets", "cac dieu cau snippets", "cac bieu mau snippets", "cac kieu chau snippets", "cac nhieu 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: (((("cac bieu 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: (((("cac bieu cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cac bieu cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac bieu cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.