Perhaps you should try some spelling variations:
thien van » thi van
hac thuc » hoc thuc, ha thuc, thach thuc
cau tren » cu tren, dau tren, cau treo
thuc va » thuc vat, thuc dan, thuc day
tinh vi » trinh vi, tinh voi, tinh va
va tinh » may tinh
bo sach » co sach, hoc sach
van hac » van hoc, van ha, van hai
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
ca tren » cu tren, la tren, co tren
sinh » dinh, minh, kinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((bo sach) or (hoc sinh)) ly nang xa hoi. thien van hac thuc va tinh vi ((cau tren) or (ca tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((bo sach) OR (hoc sinh)) ly nang xa hoi. thien van hac thuc va tinh vi ((cau tren) OR (ca tren)).
• Adding a wildcard symbol may retrieve word variants: ((bo sach) or (hoc sinh)) ly nang xa hoi. thien van hac thuc va tinh vi ((cau tren) or (ca tren))*.