Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nong thong » nong thon, dong thong, cong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hinh sinh » tinh sinh, hinh dinh, hinh kinh
sinh cua » manh cua, dinh cuu, sinh va
cua nong » cua cong, cuu nong, cua dong
toan cau » toan cao, toan ban, toan tai
toan tap » 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 ((hieu manh) or (chieu tinh)) - hinh sinh cua nong thong tin ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu tinh)) - hinh sinh cua nong thong tin ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu tinh)) - hinh sinh cua nong thong tin ((toan cau) or (toan tap))*.