Perhaps you should try some spelling variations:
trang tuan » trung tuan, trong tuan, tran xuan
tran tuan » tran xuan, tran quang, tran thanh
nang cong » nang song, dang cong, bang cong
theo cuu » theo chu, thao cua, theo yeu
khao cuu » cham cuu, chao chu, kho cua
cong san » cong tac
san phan » san pham, van phan, sat phan
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 cuu) OR (khao cuu)) tinh - hanh ((trang tuan) or (tran tuan)) nang cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo cuu) OR (khao cuu)) tinh - hanh ((trang tuan) OR (tran tuan)) nang cong san phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo cuu) OR (khao cuu)) tinh - hanh ((trang tuan) or (tran tuan)) nang cong san phan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo cuu) OR (khao cuu)) tinh - hanh ((trang tuan) or (tran tuan)) nang cong san phan cau*.