Perhaps you should try some spelling variations:
khong luong » khong xuong, thuong luong, phuong luong
thanh tung » thanh cong
manh trung » manh tung, thanh trung, manh hung
luong manh » duong manh, luong thanh, duong minh
hiem ngan » kim ngan, viem gan
cua khong » hua khong, cua phuong, cua thuong
manh toan » thanh toan, anh tuan, tinh toan
doc hiem » doc hieu, hoc hien, doc viet
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 hiem ngan - ((manh trung) or (thanh tung)) cua khong luong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hiem ngan - ((manh trung) OR (thanh tung)) cua khong luong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: doc hiem ngan - ((manh trung) or (thanh tung)) cua khong luong manh toan ban*.