Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh toan, thanh phan
thieu sach » chieu sach, thien hach, theo sach
cong thanh » dong thanh, cong trinh, cong tan
hieu cach » hieu cac, chieu sach, hieu ca
thanh cao » thanh ca, thanh cac, thanh thao
tuong va » truong va, thuong va, luong va
tung va » trung va, dung va, vung va

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) OR (hieu cach)) - thanh ((tung va) or (tuong va)) trong cong thanh thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu sach) OR (hieu cach)) - thanh ((tung va) OR (tuong va)) trong cong thanh thanh cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu sach) OR (hieu cach)) - thanh ((tung va) or (tuong va)) trong cong thanh thanh cao".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu sach) OR (hieu cach)) - thanh ((tung va) or (tuong va)) trong cong thanh thanh cao*.