Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cong toan » cong tan, cong hoan, cong tuan
thong dan » thong van, tuong dan, thong den
thanh lap » thanh san, phan lap, thanh hai
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh cac, than cua

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 cong toan thong thong dan ((than cau) or (((than cap) OR (thanh lap))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh cong toan thong thong dan ((than cau) OR (((than cap) OR (thanh lap)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh cong toan thong thong dan ((than cau) or (((than cap) OR (thanh lap))))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh cong toan thong thong dan ((than cau) or (((than cap) OR (thanh lap))))*.