Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thong cong » trong cong, tong cong, thong thong
truong va » truong dai, truong cao, truong dao
san thanh » ban thanh, van thanh, son thanh
thanh cao » thanh ca, thanh cac, thanh thao
trung va » trang va, trung ha, trung tam
cong san » cong tac

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 sach - thanh ((trung va) OR (truong va)) thong cong san thanh cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sach - thanh ((trung va) OR (truong va)) thong cong san thanh cao".
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - thanh ((trung va) OR (truong va)) thong cong san thanh cao*.