Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
dung tren » dung trong, dung trung
dang tao » sang tao, nang tao, vang tao
su sach » so sach, vu sach
cua tuc » cua duc, cua tu, cua thuoc
sach ky » sac ky, sach y, sach ty
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
tao hoi » tao khoi, tao boi, tay hoi
ky dang » ky nang, ky danh
loc va » hoc va
luc va » duc va, tuc va

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 ky dang tao hoi. hieu ve chat ((luc va) or (loc va)) thanh lap ((dung tren) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang tao hoi. hieu ve chat ((luc va) OR (loc va)) thanh lap ((dung tren) OR (cua tuc)).
• Adding a wildcard symbol may retrieve word variants: su sach ky dang tao hoi. hieu ve chat ((luc va) or (loc va)) thanh lap ((dung tren) or (cua tuc))*.