Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
chat toc » chat hoc, chat doc, chat thom
gia hanh » gia thanh, giao hanh, gia anh
may nang » may nong, ky nang, cam nang
vu nang » vuc nang, va nang, vu dang
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
toc gia » toc giay, tac gia, quoc gia
hanh ve » hanh vi, hanh va, hanh kem
su sach » so sach, vu sach
y nang » ky nang, ly nang, v nang
ve cau » ke cau, va cau, ve cac

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 ((((y nang) or (may nang))) or (vu nang)) xa hoi. hieu ve chat toc gia hanh ve cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((((y nang) OR (may nang))) OR (vu nang)) xa hoi. hieu ve chat toc gia hanh ve cau tren.
• Adding a wildcard symbol may retrieve word variants: su sach ((((y nang) or (may nang))) or (vu nang)) xa hoi. hieu ve chat toc gia hanh ve cau tren*.