Perhaps you should try some spelling variations:
doanh va » doan va, doanh tai, doanh cua
tu cach » tu cac
danh va » hanh va, anh va, dan va
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
su sach » so sach, vu sach
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (su sach)) ty nang ma hoi. hieu ve cam duc va ((danh va) OR (doanh va)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ty nang ma hoi. hieu ve cam duc va ((danh va) OR (doanh va)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (su sach)) ty nang ma hoi. hieu ve cam duc va ((danh va) OR (doanh va)) cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) ty nang ma hoi. hieu ve cam duc va ((danh va) OR (doanh va)) cua te*.