Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
manh cua » doanh cua, ban cua
cong tac » cong ty
toan tai » doanh tai, toan ban, toan cao
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 chieu tinh - canh manh cua nhung ((cong san) OR (cong tac)) ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - canh manh cua nhung ((cong san) OR (cong tac)) ((toan tai) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - canh manh cua nhung ((cong san) OR (cong tac)) ((toan tai) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - canh manh cua nhung ((cong san) OR (cong tac)) ((toan tai) or (toan tap))*.