Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
trung gian » truong giang, truong giao, trong giang
hoc thieu » toc thieu, hoc hien
thanh lap » phan lap, thanh hai, thanh van
cong san » cong tac
cao cap » cao chat

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