Perhaps you should try some spelling variations:
tinh lai » tinh lao, tinh hai, minh lai
nang tao » nang cao, sang tao, nang tai
tao khoi » tao hoi, thao khoa, lao khoa
phat duc » pham duc, phan duc, phan duoc
hieu van » hieu va, thien van, lieu va
toc sai » toc dai, thuoc sai, toc thai
lai cua » dai cua, hai cua, lai chau
hieu ve » hieu va
va tinh » may tinh
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 van)) phat duc va tinh lai 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 van)) phat duc va tinh lai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sai) or (toc san)) ky nang tao khoi. ((hieu ve) OR (hieu van)) phat duc va tinh lai cua te".
• Adding a wildcard symbol may retrieve word variants: ((toc sai) or (toc san)) ky nang tao khoi. ((hieu ve) OR (hieu van)) phat duc va tinh lai cua te*.