Perhaps you should try some spelling variations:
chat truc » cau truc, chat xuc
thu sach » tu sach, thuat sach, thuoc sach
hieu cao » chieu cao, hieu cac, hieu ca
nang xa » nang x, lang xa, nang ma
truc va » thuc va, thuc vat, trung va
dan sai » danh sai, doan sai, dan giai
dan tai » van tai, dan thi, han tai
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (thuat song)) ky nang xa hoi. hieu cao chat truc va ((dan sai) OR (dan tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat song)) ky nang xa hoi. hieu cao chat truc va ((dan sai) OR (dan tai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (thuat song)) ky nang xa hoi. hieu cao chat truc va ((dan sai) OR (dan tai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuat song)) ky nang xa hoi. hieu cao chat truc va ((dan sai) OR (dan tai)) cua tre*.