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 tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cao » toan cao, thai cao, than cap

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 - manh ((trung cua) OR (trung tuan)) nhung cong tan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - manh ((trung cua) OR (trung tuan)) nhung cong tan than cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - manh ((trung cua) OR (trung tuan)) nhung cong tan than cao*.