Perhaps you should try some spelling variations:
nang tao » nang cao, sang tao, nang tai
tao khoi » tao hoi, thao khoa, lao khoa
phat duc » pham duc, phan duc, phan duoc
tinh lao » dinh lam, tinh nam, tinh va
toc sai » toc dai, thuoc sai, toc thai
hieu ve » hieu van
hieu va » lieu va, hieu qua
va tinh » may tinh
lao cua » lai cua, lam cua, bao cua
cua te » cua tu

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 tao khoi. ((hieu ve) or (hieu va)) phat duc va tinh lao cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sai) OR (toc san)) ky nang tao khoi. ((hieu ve) OR (hieu va)) phat duc va tinh lao cua te.
• Adding a wildcard symbol may retrieve word variants: ((toc sai) or (toc san)) ky nang tao khoi. ((hieu ve) or (hieu va)) phat duc va tinh lao cua te*.