Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
nong trong » cong trong, dong trong, nang trong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cuu » trung cua, trung cau, truong cua
trong van » trong cac
cuu nong » cuu cong, cuu nang, cuu tong
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sach)) - thanh trung cuu nong trong van ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sach)) - thanh trung cuu nong trong van ((toan cao) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - thanh trung cuu nong trong van ((toan cao) or (van ban))*.