Perhaps you should try some spelling variations:
va thanh » ban thanh, va tinh, le thanh
cham xuc » cam xuc, chat xuc, cham soc
doi cua » dai cua, hoi cua
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tang xa » trang xa, tang ma, lang xa
sang ky » sang kyo, dang ky, tang ky
cua tre » cua te, cuu tre, cua triet
san ky » van ky, dan ky, ban ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((san ky) or (sang ky)) tang xa hoi. hieu ve cham xuc ((va thanh) OR (gia thanh)) doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((san ky) OR (sang ky)) tang xa hoi. hieu ve cham xuc ((va thanh) OR (gia thanh)) doi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((san ky) or (sang ky)) tang xa hoi. hieu ve cham xuc ((va thanh) OR (gia thanh)) doi cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat ((san ky) or (sang ky)) tang xa hoi. hieu ve cham xuc ((va thanh) OR (gia thanh)) doi cua tre*.