Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
cong quang » luong quang, thong quang, duong quang
hoc thieu » toc thieu, hoc hien
cong vang » cong lang, cong ngang, cong san
tuan cao » toan cao, juan cao, quang cao
tung va » trung va, tuong va, dung va
va lang » va nang, hoa lang

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 va lang ((cong vang) OR (cong quang)) tuan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh tung va lang ((cong vang) OR (cong quang)) tuan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung va lang ((cong vang) OR (cong quang)) tuan cao*.