Perhaps you should try some spelling variations:
thien van » thi van
cac trinh » cac tinh, lap trinh, cac thanh
duoc duoc » duoc hoc, hoc duoc, soc duoc
duoc cac » cuoc cach, duoc chat, duong cac
hieu van » hieu va, lieu va, hieu ve
mat cua » ma cua, manh cua, mang cua
vat cua » bat cua, dat cua, hat cua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky lang xa hoi. ((hieu van) OR (thien van)) duoc duoc cac trinh ((vat cua) or (mat cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang xa hoi. ((hieu van) OR (thien van)) duoc duoc cac trinh ((vat cua) OR (mat cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky lang xa hoi. ((hieu van) OR (thien van)) duoc duoc cac trinh ((vat cua) or (mat cua)) tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky lang xa hoi. ((hieu van) OR (thien van)) duoc duoc cac trinh ((vat cua) or (mat cua)) tre*.