Perhaps you should try some spelling variations:
trang lai » trang tai, trang vai, trang lam
tang lai » tang tai, tang loi, mang lai
phat luc » nhan luc, phat huy, chat lua
tieu su » thieu so
va hanh » van hanh, va thanh, va danh
su phat » su pham, tu phat, xu phat
vi cua » vai cua, di cua
luc va » duc va, tuc va, loc va
tu sai » tu bai, tu cai, tu lai
tu san » thu san, tu ban, tu can
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: ((tu sai) or (tu san)) ky ((tang lai) OR (trang lai)) hoi. tieu su phat luc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sai) OR (tu san)) ky ((tang lai) OR (trang lai)) hoi. tieu su phat luc va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sai) or (tu san)) ky ((tang lai) OR (trang lai)) hoi. tieu su phat luc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sai) or (tu san)) ky ((tang lai) OR (trang lai)) hoi. tieu su phat luc va hanh vi cua te*.