Perhaps you should try some spelling variations:
cao khoi » cac khoi, cao khai, tao khoi
phat duc » pham duc, phan duc, phan duoc
tinh lai » tinh lao, tinh hai, minh lai
toc sai » toc dai, thuoc sai, toc thai
co khoi » co khi, co hoi, hoc khoi
hieu ve » hieu va, hieu van
ve phat » va phat, te phat, de phat
va tinh » may tinh
lai cua » dai cua, hai cua, lai chau
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sai) or (toc san)) ky nang ((cao khoi) or (co khoi)). hieu ve phat duc va tinh lai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sai) OR (toc san)) ky nang ((cao khoi) OR (co khoi)). hieu ve phat duc va tinh lai cua tu.
• Adding a wildcard symbol may retrieve word variants: ((toc sai) or (toc san)) ky nang ((cao khoi) or (co khoi)). hieu ve phat duc va tinh lai cua tu*.