Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh huong » thanh huong, anh huong, manh huong
nhung cong » dung cong, thong cong, hang cong
huong cua » dung cua
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
than tap » toan tap, han tap, than cap
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu nganh) or (chieu tinh)) - hanh huong cua nhung cong dan ((than tap) or (phan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu nganh) OR (chieu tinh)) - hanh huong cua nhung cong dan ((than tap) OR (phan tap)).
• Adding a wildcard symbol may retrieve word variants: theo ((hieu nganh) or (chieu tinh)) - hanh huong cua nhung cong dan ((than tap) or (phan tap))*.