Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
tinh cua » trinh cua, tinh chat, tranh cua
sinh cua » manh cua, dinh cuu, sinh va
cong dan » cong san, cong tan, huong dan
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien anh - hanh ((tinh cua) or (sinh cua)) nhung cong dan ((than cap) OR (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - hanh ((tinh cua) OR (sinh cua)) nhung cong dan ((than cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien anh - hanh ((tinh cua) or (sinh cua)) nhung cong dan ((than cap) OR (khan cap))".
• Adding a wildcard symbol may retrieve word variants: hoc thien anh - hanh ((tinh cua) or (sinh cua)) nhung cong dan ((than cap) OR (khan cap))*.