Perhaps you should try some spelling variations:
thiet danh » thien danh, thien anh, thien dang
thanh tung » thanh cong
phat nhung » pha nhung, phai nhuong, thuat nhung
nhung cong » dung cong, thong cong, hang cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tung phat » trung phat, hung phat, tung pham
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet danh - thanh tung phat nhung cong dan toan cao~.
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - thanh tung phat nhung cong dan toan cao*.