Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thi chien » thi hien, thi thien, thien chien
doi chieu » doc hieu, doi chi, ho chieu
hanh mang » nhanh mang, hanh trang, nhanh lang
cong tan » cong tac, cong san, cong thanh
tran tap » tran tan, tran tuan, trang tai
toan tap » toan ban
mang va » mang vua, hang va, bang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thi chien) or (doi chieu)) sang - hanh mang va nhung cong tan ((tran tap) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chien) OR (doi chieu)) sang - hanh mang va nhung cong tan ((tran tap) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thi chien) or (doi chieu)) sang - hanh mang va nhung cong tan ((tran tap) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ((thi chien) or (doi chieu)) sang - hanh mang va nhung cong tan ((tran tap) OR (toan tap))*.