Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thoi hanh » thi hanh, troi hanh, tuoi thanh
tranh han » tranh hang, trinh han, tranh ban
han nhung » hanh nhung, hon nhung, ban nhung
doi thoi » doi thoai, moi thoi, do thoi
cong bai » cuong bai, cong hai, cung bai
bai toan » bai tap
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi thoi hanh - canh tranh han nhung cong bai toan cao~.
• Adding a wildcard symbol may retrieve word variants: doi thoi hanh - canh tranh han nhung cong bai toan cao*.