Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
nong cong » cong cong, tong cong, nang cong
nhanh ba » nhanh bac, nhanh ha, nhanh va
cua nong » cua cong, cuu nong, cua dong
cong tan » cong tac, cong san, cong thanh
ba cua » ban cua, bai cua, bao cua

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 - nhanh ba cua nong cong tan ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - nhanh ba cua nong cong tan ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - nhanh ba cua nong cong tan ((toan ban) or (van ban))*.