Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu tuong » hieu truong, bieu tuong, dieu tuong
bien tinh » bi tinh, yen tinh, diep tinh
hieu tong » hieu truong, bieu tuong, lieu thong
cong tinh » cong trinh, cong vinh, long tinh
toan cao » toan ban, toan tap
ho bien » pho bien, hoa bien, so bien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho bien tinh - thanh tung ((hieu tong) OR (hieu tuong)) cong tinh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho bien tinh - thanh tung ((hieu tong) OR (hieu tuong)) cong tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - thanh tung ((hieu tong) OR (hieu tuong)) cong tinh toan cao*.