Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh sinh » hanh tinh, hinh sinh, hanh chinh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
vat thong » va thong, vat trong, mat thong
thong van » trong van, thong va, thong quan
van tuan » van quan, van ban, anh tuan
tuan mau » thanh mau, lluan mau, trang mau

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 - ((hanh sinh) or (hanh dinh)) vat thong thong van tuan mau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh sinh) OR (hanh dinh)) vat thong thong van tuan mau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh sinh) or (hanh dinh)) vat thong thong van tuan mau*.