Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trung nghe » truong nghe, trinh nghe, trong nghi
trong nghe » trong nghi, cong nghe, trong nha
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
cong tac » cong ty
tac van » tac vang, cac van, tac va

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 nghe) OR (trong nghe)) thong cong tac van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((trung nghe) OR (trong nghe)) thong cong tac van ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((trung nghe) OR (trong nghe)) thong cong tac van ban*.