Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung cap, dung cua
cong van » cong vang, cong san, song van
van bang » van ban, van nang, von bang
bang cau » hang cau, bang cac, nang cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - hanh ((trung cua) or (trung tuan)) nhung cong van bang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh ((trung cua) OR (trung tuan)) nhung cong van bang cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh ((trung cua) or (trung tuan)) nhung cong van bang cau*.