Perhaps you should try some spelling variations:
dinh sai » dinh tai, danh sai, dinh hai
toc sac » toc sach, toc san, hoc sach
sai cua » dai cua, hai cua, lai cua
va dinh » van dinh, va kinh, va tinh
cao suc » cao su, cao duc
cao tuc » dao tuc, cao duc, cao toc
hieu va » lieu va
sang xa » song xa, lang xa, sang ma
ky sang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
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: toc sac ky sang xa hoi. ((hieu va) or (hieu qua)) ((cao tuc) or (cao suc)) va dinh sai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky sang xa hoi. ((hieu va) OR (hieu qua)) ((cao tuc) OR (cao suc)) va dinh sai cua te.
• Adding a wildcard symbol may retrieve word variants: toc sac ky sang xa hoi. ((hieu va) or (hieu qua)) ((cao tuc) or (cao suc)) va dinh sai cua te*.