Perhaps you should try some spelling variations:
khanh van » thanh van, khanh vinh, phan van
tham luu » tam luu, thanh luu, cham cuu
hanh van » thanh van, hanh san, anh van
ve triet » va trien, su triet
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
luu ban » luu bang, luu van, luu dan
hanh va » hang va, hanh vi
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang ma hoi. hieu va tham luu ban ((((hanh van) OR (khanh van))) or (hanh va)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ma hoi. hieu va tham luu ban ((((hanh van) OR (khanh van))) OR (hanh va)) ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ma hoi. hieu va tham luu ban ((((hanh van) OR (khanh van))) or (hanh va)) ve triet".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ma hoi. hieu va tham luu ban ((((hanh van) OR (khanh van))) or (hanh va)) ve triet*.