Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
cap truong » cac truong, lap truong, cao truong
tung cap » trung cap, cung cap, thong cap
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 (chieu sach)) - thanh tung cap truong cong tan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - thanh tung cap truong cong tan can cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (chieu sach)) - thanh tung cap truong cong tan can cau*.