Perhaps you should try some spelling variations:
thuat lanh » thuat lap
thuat san » thuat toan, thuat song, thuat xay
trinh do » trinh ky
va trinh » van trinh, va tinh, lap trinh
su sach » so sach, vu sach
cac duc » cac du, cao duc, cac dac
hieu ve » hieu va, hieu van
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
do cua » doi cua, co cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (((thuat san) or (thuat lanh)))) ky tang xa hoi. hieu ve cac duc va trinh do cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (((thuat san) OR (thuat lanh)))) ky tang xa hoi. hieu ve cac duc va trinh do cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (((thuat san) or (thuat lanh)))) ky tang xa hoi. hieu ve cac duc va trinh do cua tre*.