Perhaps you should try some spelling variations:
phan nang » phap nang, phan dang, phan cang
han nang » van nang, ban nang, han yang
ban hanh » ban hang
va trien » va truyen, va thiet, va tuyen
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
vi va » vi van, vai va, vu va

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 ((han nang) or (phan nang)) xa hoi. hieu ve cac xuc ((van ban) or (ban hanh)) vi va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((han nang) OR (phan nang)) xa hoi. hieu ve cac xuc ((van ban) OR (ban hanh)) vi va trien.
• Adding a wildcard symbol may retrieve word variants: tu sach ((han nang) or (phan nang)) xa hoi. hieu ve cac xuc ((van ban) or (ban hanh)) vi va trien*.