Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
thieu sach » chieu sach, hieu cach, theo sach
thien hach » thien thanh, hien hanh
trung tuan » trung thanh, trung tam, tran tuan
trung cua » truong cua, trung cap, dung cua
cong tan » cong tac, cong san, cong thanh
tan can » toan can, tan van, ban can
can cau » van cau, ban cau, ca cau

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) or (thien hach)) - thanh ((trung cua) OR (trung tuan)) truong cong tan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (thien hach)) - thanh ((trung cua) OR (trung tuan)) truong cong tan can cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) or (thien hach)) - thanh ((trung cua) OR (trung tuan)) truong cong tan can cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (thien hach)) - thanh ((trung cua) OR (trung tuan)) truong cong tan can cau*.