Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
van hanh » van thanh, van anh, van ban
thi hang » thi hanh, thi nang, thi hong
ban hanh » ban hang
lai cau » lai chau, lai cam, loi cau
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ty nang) or (thi hang)) xa hoi. hieu ve cam xuc ((ban hanh) or (van hanh)) lai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (thi hang)) xa hoi. hieu ve cam xuc ((ban hanh) OR (van hanh)) lai cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (thi hang)) xa hoi. hieu ve cam xuc ((ban hanh) or (van hanh)) lai cau tren*.