Perhaps you should try some spelling variations:
khien tinh » thien tinh, khien thich, bien tinh
hanh trung » thanh trung, manh trung, danh trung
hanh trang » thanh trung, canh tranh, hanh trinh
hoc khien » hoc hien, hoc nghien, hoc thieu
cap nhung » cam nhung, vap nhung, canh nhung
dap nhung » vap nhung, va nhung, dap ung
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc khien tinh - ((hanh trung) or (hanh trang)) ((cap nhung) or (dap nhung)) cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc khien tinh - ((hanh trung) OR (hanh trang)) ((cap nhung) OR (dap nhung)) cong san than cap.
• Adding a wildcard symbol may retrieve word variants: hoc khien tinh - ((hanh trung) or (hanh trang)) ((cap nhung) or (dap nhung)) cong san than cap*.