Perhaps you should try some spelling variations:
tinh viec » tinh viet, dinh viec, sinh viec
thien van » thi van
cua viet » ca viet, hoa viet, cua vat
va tinh » may tinh
nam luc » nang luc, nhan luc, nam thuc
tang ma » mang may, tang van
nang ma » sang ma, nang cao, mang may
sac ky » cac ky
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sac ky) or (sai ky)) ((nang ma) OR (tang ma)) hoi. thien van nam luc va tinh viec cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (sai ky)) ((nang ma) OR (tang ma)) hoi. thien van nam luc va tinh viec cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) or (sai ky)) ((nang ma) OR (tang ma)) hoi. thien van nam luc va tinh viec cua viet".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) or (sai ky)) ((nang ma) OR (tang ma)) hoi. thien van nam luc va tinh viec cua viet*.