Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
dung cong » dung trong
trung ap » trung cap, trung lap, trung tam
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan cac » thuan cam, quanh cac, thanh cac
ha tinh » va tinh, may tinh
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) or (((ha tinh) or (cuu tinh)))) - hanh trung ap dung cong van tuan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (((ha tinh) OR (cuu tinh)))) - hanh trung ap dung cong van tuan cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (((ha tinh) or (cuu tinh)))) - hanh trung ap dung cong van tuan cac*.