Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
cao khoi » cac khoi, cao khai, co khoi
phat duc » pham duc, phan duc, phan duoc
va thanh » gia thanh, ban thanh, va tinh
toc sai » toc dai, thuoc sai, toc thai
hieu ve » hieu va, hieu van
ve phat » va phat, te phat, de phat
cua tu » cua tuc, cua su, cua te
cua cu » cua chu, cua cau, cua su

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. hieu ve phat duc va thanh lai ((cua tu) OR (cua cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sai) OR (toc san)) ky nang cao khoi. hieu ve phat duc va thanh lai ((cua tu) OR (cua cu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sai) or (toc san)) ky nang cao khoi. hieu ve phat duc va thanh lai ((cua tu) OR (cua cu))".
• Adding a wildcard symbol may retrieve word variants: ((toc sai) or (toc san)) ky nang cao khoi. hieu ve phat duc va thanh lai ((cua tu) OR (cua cu))*.