Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
tung giao » dung giao, tong giao, cung giao
sat phan » sat nhan, xuat phan, va phan
vat phan » va phan, van phan, viet phan

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 xanh - thanh tung giao thong cong ((sat phan) OR (vat phan)) tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh tung giao thong cong ((sat phan) OR (vat phan)) tu".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung giao thong cong ((sat phan) OR (vat phan)) tu*.