Perhaps you should try some spelling variations:
phuong manh » phuong anh, phuong danh, phuong hanh
hieu nganh » vien nganh, hieu manh, nghiep nganh
thanh tung » thanh cong
phung manh » hung manh, nhung manh, phung minh
hiem ngan » kim ngan, viem gan
tung tuan » trung tuan, hung tuan, quang tuan
tuan dung » tuan duong, tran dung, tan dung
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu nganh) OR (hiem ngan)) - thanh tung tuan dung ((phuong manh) or (phung manh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu nganh) OR (hiem ngan)) - thanh tung tuan dung ((phuong manh) OR (phung manh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu nganh) OR (hiem ngan)) - thanh tung tuan dung ((phuong manh) or (phung manh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu nganh) OR (hiem ngan)) - thanh tung tuan dung ((phuong manh) or (phung manh)) toan ban*.