Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
hanh chin » hanh chinh, khanh chien, hang chinh
cong vung » cong hung, cong vang, cong luong
cong dung » cuong dung, cong dong, cong luong
nhanh cau » nhanh cay, thanh chau, nhanh ha
chin han » chinh phan, chin cham, chinh ban
han dung » chan dung, han duong, hanh 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 thien thanh - hanh chin han dung ((cong vung) or (cong dung)) nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - hanh chin han dung ((cong vung) OR (cong dung)) nhanh cau.
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - hanh chin han dung ((cong vung) or (cong dung)) nhanh cau*.