Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
hanh trung » thanh trung, hanh trang, manh trung
thanh toan » thanh hoa, thanh san, tinh toan
hoc thiet » hoc thieu, hoc thuyet, toc thieu
tuan van » luan van, tran van, tan van
van cong » van dong, van phong, phan cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hien) or (hoc thiet)) anh - hanh trung tuan van cong ((thanh toan) or (dan gian)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (hoc thiet)) anh - hanh trung tuan van cong ((thanh toan) OR (dan gian)) cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (hoc thiet)) anh - hanh trung tuan van cong ((thanh toan) or (dan gian)) cao*.