Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh vai » trinh van, trinh tai, trinh vat
cua viet » ca viet, hoa viet, cua vat
suc hanh » suc manh, duc hanh, sac hanh
tru nang » tra nang, tri nang, truc nano
vai cua » dai cua, hai cua, lai cua
cac suc » cao suc, cac nuoc, cac cuoc
hieu va » lieu va, hieu qua
su sach » so sach
tu nang » tu nong, tu nano, tu lang
vu sach » vu bach, vu khach

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 (vu sach)) ((tu nang) or (tru nang)) xa hoi. hieu va cac suc hanh trinh vai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ((tu nang) OR (tru nang)) xa hoi. hieu va cac suc hanh trinh vai cua viet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ((tu nang) or (tru nang)) xa hoi. hieu va cac suc hanh trinh vai cua viet*.