Perhaps you should try some spelling variations:
thuat nhung » thuat hung, thuat chung, thuat chuong
nhung cong » dung cong, thong cong, hang cong
hanh tran » hanh trang, thanh tran, thanh trang
hanh tram » hanh tam, hanh trang, thanh tran
cong bang » cuong bang, dong bang, hong bang
bang phan » nang phan, bang nhan, bang thanh
thi phap » thi hai, thi ha, thi hao
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo phap) OR (thi phap)) tinh - ((hanh tran) or (hanh tram)) thuat nhung cong bang phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo phap) OR (thi phap)) tinh - ((hanh tran) OR (hanh tram)) thuat nhung cong bang phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo phap) OR (thi phap)) tinh - ((hanh tran) or (hanh tram)) thuat nhung cong bang phan cau*".