Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
thiet anh » thien anh, thuyet anh, thien danh
dang cong » dung cong
thanh cac » hanh cac, thanh bac, thanh ca
trinh va » trinh van, trinh vat, trinh ve
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, than cua
va dang » van dang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet anh - hanh trinh va dang cong dan ((than cau) or (((than cap) or (thanh cac))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet anh - hanh trinh va dang cong dan ((than cau) OR (((than cap) OR (thanh cac)))).
• Adding a wildcard symbol may retrieve word variants: hoc thiet anh - hanh trinh va dang cong dan ((than cau) or (((than cap) or (thanh cac))))*.