Perhaps you should try some spelling variations:
thang trong » thong trong, than trong, khoang trong
hanh trung » thanh trung, hanh trang, manh trung
hiem ngan » kim ngan, viem gan
trung cua » truong cua, trung tuan, trung cap
cua thang » cua hang, cua thanh, xua thang
cac thanh » bac thanh, cach nhanh, ban thanh
cac toan » cac khoan, hach toan, cac doanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chinh sach) or (hiem ngan)) - hanh trung cua thang trong ((cac toan) OR (cac thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chinh sach) OR (hiem ngan)) - hanh trung cua thang trong ((cac toan) OR (cac thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chinh sach) or (hiem ngan)) - hanh trung cua thang trong ((cac toan) OR (cac thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chinh sach) or (hiem ngan)) - hanh trung cua thang trong ((cac toan) OR (cac thanh)) cau*.