Perhaps you should try some spelling variations:
trong chuan » thong chuan, trong chan, trong thuan
thieu xanh » chieu xanh, thien anh, thien danh
trung chua » trung cua, trung ha, trung hoa
hieu manh » chieu xanh, hieu nganh, dieu hanh
dang cong » dung cong
than cap » khan cap, thanh lap, thanh cac
cong te » cong ty, cong ti, cong tu
te than » he than, le thanh, de thanh

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