Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
dung thang » hung thang, cung thang, dung thuong
hoc thien » hoc hien, hoc thieu, hoc thiet
manh dung » manh hung, manh tung, anh dung
dung phan » dung nhan, dung luan, dung ha
phan cong » thanh cong
dung dan » dung dat, dung san, tung dan
pha tap » pham tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - manh dung phan cong ((dung thang) or (dung dan)) pha tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - manh dung phan cong ((dung thang) OR (dung dan)) pha tap.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - manh dung phan cong ((dung thang) or (dung dan)) pha tap*.