Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, hieu cach
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
van tuan » van quan, van ban, anh tuan
van hang » van khang, van hoang, van thang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - thanh trung cua ((nhung cong) OR (thong cong)) ((van tuan) or (van hang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh trung cua ((nhung cong) OR (thong cong)) ((van tuan) OR (van hang)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh trung cua ((nhung cong) OR (thong cong)) ((van tuan) or (van hang)) cau*".