Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong hanh » phuong thanh, phuong anh, phuong danh
quan hoang » luan hoan
quan hoan » quang hoan, luan hoan, quan doan
chi sach » chinh sach, chieu sach, co sach
phan dau » phan tu, hang dau
than cap » khan cap, thanh lap, thanh cac
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - thanh trung ((quan hoan) or (quan hoang)) phuong hanh ((phan dau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh trung ((quan hoan) OR (quan hoang)) phuong hanh ((phan dau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh trung ((quan hoan) or (quan hoang)) phuong hanh ((phan dau) or (than cap))*.