Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
truong cua » truong ca, truong quan, truong cao
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
song song » song hong, song dong, xuong song
dong son » dong von, dong san, hoang son
van van » tan van, san van, van vat

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 - manh ((trung cap) or (truong cua)) ((song song) or (dong son)) van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - manh ((trung cap) OR (truong cua)) ((song song) OR (dong son)) van van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - manh ((trung cap) or (truong cua)) ((song song) or (dong son)) van van ban*.