Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
vang cua » mang cua, hang cua, tang cua
cong san » cong tac
chan ban » chat ban, chan nan, chan doan
van cua » ban cua, dan cua, nan cua
can ban » van ban, toan 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 - anh ((van cua) or (vang cua)) nhung cong san ((chan ban) OR (can ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - anh ((van cua) OR (vang cua)) nhung cong san ((chan ban) OR (can ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - anh ((van cua) or (vang cua)) nhung cong san ((chan ban) OR (can ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - anh ((van cua) or (vang cua)) nhung cong san ((chan ban) OR (can ban))*.