Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
phan cua » nhan cua, than cua, phat cua
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu ve » hieu va, hieu van
ve chao » ve chat, ve cham, ve cho
cua tre » cua te, cuu tre, cua triet
su cao » cu cao, vu cao
xu van » tu van, vu van
su van » tu van, vu van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su cao) or (su co)) ky dang xa hoi. hieu ve chao ((xu van) OR (su van)) thanh phan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cao) OR (su co)) ky dang xa hoi. hieu ve chao ((xu van) OR (su van)) thanh phan cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su cao) or (su co)) ky dang xa hoi. hieu ve chao ((xu van) OR (su van)) thanh phan cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su cao) or (su co)) ky dang xa hoi. hieu ve chao ((xu van) OR (su van)) thanh phan cua tre*.