Perhaps you should try some spelling variations:
vien cua » viec cua, dien cua, tien cua
thu sac » thu sach, thu san, thu dac
thu xac » thau xay
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cua tuc » cua duc, cua tu, cua thuoc
ve cao » va cao, ve bao, ve cac
loc va » hoc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sac) or (thu xac)) ky lang xa hoi. hieu ve cao ((loc va) or (duc va)) nhan vien cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sac) OR (thu xac)) ky lang xa hoi. hieu ve cao ((loc va) OR (duc va)) nhan vien cua tuc.
• Adding a wildcard symbol may retrieve word variants: ((thu sac) or (thu xac)) ky lang xa hoi. hieu ve cao ((loc va) or (duc va)) nhan vien cua tuc*.