Perhaps you should try some spelling variations:
luong thanh » muong thanh, truong thanh, dong thanh
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tinh » thanh binh, nhanh tinh, hanh trinh
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
cua chat » cua cha, chuan chat, cao chat
toan ban » van ban

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 tinh) OR (than kinh)) cua chat luong thanh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((thanh tinh) OR (than kinh)) cua chat luong thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((thanh tinh) OR (than kinh)) cua chat luong thanh toan ban*.