Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung vap » trung cap, trung va, trung lap
trung van » truong van, trong van, trung va
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
toan ban » van ban

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