Perhaps you should try some spelling variations:
thuat chung » thuat chuong, thuat hung, thuat nhung
thanh tung » thanh cong
tuan nhung » quan nhung, tuan hung, thuat nhung
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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: ((ho chieu) OR (hoc thieu)) sach - thanh tung ((tuan nhung) or (thuat chung)) cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - thanh tung ((tuan nhung) OR (thuat chung)) cong tan toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - thanh tung ((tuan nhung) or (thuat chung)) cong tan toan cao*".