Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
nang quan » ban quan, nang suat
mang qua » mang cua, mang vua, tang quan
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
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: theo tieu xanh - hanh ((mang qua) OR (nang quan)) thong cong dan ((than cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((mang qua) OR (nang quan)) thong cong dan ((than cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh ((mang qua) OR (nang quan)) thong cong dan ((than cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((mang qua) OR (nang quan)) thong cong dan ((than cau) or (toan ban))*.