Perhaps you should try some spelling variations:
thiet nang » nhiet nang, thien nang, thi nang
trung cong » truong cong, trong cong, trung uong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tranh cua » doanh cua, manh cua
cua trung » cua truong, xuan trung, cua nhung
cong dan » cong san, cong tan, huong dan
dan hang » ban hang, van hang, dat hang
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet nang - canh tranh cua trung cong dan hang dau~.
• Adding a wildcard symbol may retrieve word variants: hoc thiet nang - canh tranh cua trung cong dan hang dau*.