Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
minh thi » dinh thi, minh thu, minh tri
hanh lam » thanh lap, hanh kem, hanh va
thi hanh » thi thanh
thi duc » thi cuc, thi dua, thi du
xuc van » duc van, luc van, vuc van
lam xuc » cam xuc, lam duoc
lang xa » lang ha, dang xay, lang van
tu lang » cu lang, tu lanh, xu lang
te sach » toc sach
tu sach » thu sach, su sach, tu cach
duc tre » duoc tren, duc tien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuoc sach) or (((tu sach) or (te sach)))) tu lang xa hoi. thi hanh lam xuc van minh thi duc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuoc sach) OR (((tu sach) OR (te sach)))) tu lang xa hoi. thi hanh lam xuc van minh thi duc tre.
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) or (((tu sach) or (te sach)))) tu lang xa hoi. thi hanh lam xuc van minh thi duc tre*.