Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
hanh hai » nhanh hai, hang hai, hanh tai
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
sang xa » song xa, lang xa, sang ma
tang ma » mang may, tang van
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
tu sac » tu sach, tu cac, tu san

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 ((sang xa) or (tang ma)) hoi. hieu va cam xuc va ((hanh hai) or (thanh hai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((sang xa) OR (tang ma)) hoi. hieu va cam xuc va ((hanh hai) OR (thanh hai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((sang xa) or (tang ma)) hoi. hieu va cam xuc va ((hanh hai) or (thanh hai)) cua tre*.