Perhaps you should try some spelling variations:
thieu hach » thien hach, chieu sach, hieu cach
thanh dung » thanh duong, thanh tung, thanh hung
dung doanh » dung dan, dung dong
dung phan » dung nhan, dung luan, dung ha
phan cong » thanh cong
dang tran » dang thanh, quang tran, hoang tran
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: toc thieu hach - thanh dung phan cong ((dang tran) OR (dung doanh)) pha tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu hach - thanh dung phan cong ((dang tran) OR (dung doanh)) pha tap".
• Adding a wildcard symbol may retrieve word variants: toc thieu hach - thanh dung phan cong ((dang tran) OR (dung doanh)) pha tap*.