Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
thieu hach » thien hach, chieu sach, hieu cach
dung phan » dung nhan, dung luan, dung ha
phan cong » thanh cong
anh dung » anh dong, anh huong, sach dung
dung dat » dung va, dung tai
phan tap » phan lap, han tap, pha tap

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 - anh dung phan cong ((cang thang) OR (dung dat)) phan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu hach - anh dung phan cong ((cang thang) OR (dung dat)) phan tap".
• Adding a wildcard symbol may retrieve word variants: toc thieu hach - anh dung phan cong ((cang thang) OR (dung dat)) phan tap*.