Perhaps you should try some spelling variations:
trinh van » trinh han, trinh quan, trinh toan
va trinh » van trinh, va tinh, lap trinh
su sach » so sach, vu sach
ve cham » va cham, ve chat, vu cham
van cua » vang cua, ban cua, dan cua
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
ve cam » ve cac, va cam, ve cai
xuc va » duc va, tuc va, luc 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) or (te sach)) ky nang x ho. hieu ((ve cam) or (ve cham)) xuc va trinh van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky nang x ho. hieu ((ve cam) OR (ve cham)) xuc va trinh van cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky nang x ho. hieu ((ve cam) or (ve cham)) xuc va trinh van cua tre*.