Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
cong vinh » trong vinh, cong viec
cong viet » cong viec, thong viet, nang viet
hoc chau » hoc chat, moc chau, hoc cau
cua hang » cua dang, cua nhung, cua cong
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chau tinh - canh tranh cua hang ((((cong vinh) OR (cong viet))) or (cong trinh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chau tinh - canh tranh cua hang ((((cong vinh) OR (cong viet))) OR (cong trinh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chau tinh - canh tranh cua hang ((((cong vinh) OR (cong viet))) or (cong trinh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc chau tinh - canh tranh cua hang ((((cong vinh) OR (cong viet))) or (cong trinh)) toan cao*.