Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lan bach cau snippets" » "lan bach code snippets", "xuan bach cau snippets", "luon bach cau snippets", "lan anh cau snippets", "lan bac cau snippets", "lan bach mai snippets", "lan sach cap 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: (((("lan bach 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: (((("lan bach cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lan bach cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan bach cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.