Perhaps you should try some spelling variations:
phuong manh » phuong anh, phung manh, phuong danh
hanh trung » thanh trung, hanh trang, manh trung
dan phuong » doan phuong, van phuong, lan phuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
toan cao » toan tap
toan ban » van ban
cua dan » cua dang, cua ban, ca dan

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 manh) or (hieu lang)) - hanh trung cua dan phuong manh ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (hieu lang)) - hanh trung cua dan phuong manh ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) or (hieu lang)) - hanh trung cua dan phuong manh ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (hieu lang)) - hanh trung cua dan phuong manh ((toan cao) OR (toan ban))*.