Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
xanh hanh » danh thanh, ban hanh, van hanh
thu sach » tu sach, thuat sach, thu hoach
dua tren » dung tren
suc xanh » suc manh, suc canh, tuoc xanh
hanh tai » thanh tai, hang tai, han tai
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
bao suc » bao luc, cao suc, bao thuc
ve bao » te bao, va bao
cua te » cua tu

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 (thuoc sach)) ky nang xa hoi. hieu ve bao suc xanh hanh tai ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuoc sach)) ky nang xa hoi. hieu ve bao suc xanh hanh tai ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuoc sach)) ky nang xa hoi. hieu ve bao suc xanh hanh tai ((dua tren) or (cua te))*.