Perhaps you should try some spelling variations:
nhanh hai » nhanh thai, thanh hai, nhanh ha
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, thuc van
xuc ban » duc ban, cuc ban, quoc ban
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
sac ky » sai ky
ve cam » ve cham, ve cac, va cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sac ky) OR (cac ky)) tang xa hoi. hieu ve cam ((xuc van) or (xuc ban)) nhanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (cac ky)) tang xa hoi. hieu ve cam ((xuc van) OR (xuc ban)) nhanh hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sac ky) OR (cac ky)) tang xa hoi. hieu ve cam ((xuc van) or (xuc ban)) nhanh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) OR (cac ky)) tang xa hoi. hieu ve cam ((xuc van) or (xuc ban)) nhanh hai cua tre*.