Perhaps you should try some spelling variations:
phat xuat » phan xuat, pham xuat, phap luat
phat xuc » chat xuc, phap xu, phat huy
hanh vai » hanh vi, hanh va, hanh tai
sang dai » sang tai, lang dai, sang mai
hieu su » hieu sau, tieu su, hieu so
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
dai hoi » dai hoc, dai hai, dai moi
sac ky » cac ky
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 ((sac ky) OR (sai ky)) sang dai hoi. hieu su ((phat xuc) or (phat xuat)) va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (sai ky)) sang dai hoi. hieu su ((phat xuc) OR (phat xuat)) va hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (sai ky)) sang dai hoi. hieu su ((phat xuc) or (phat xuat)) va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (sai ky)) sang dai hoi. hieu su ((phat xuc) or (phat xuat)) va hanh vai cua te*.