Perhaps you should try some spelling variations:
thau xay » thuat xay, tu xay, phan xay
vien cua » viec cua, dien cua, bien cua
tien cua » trien cua, tiep cua, dien cua
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
xay ky » tay ky
suc va » tuc va, luc va, soc va
va co » vo co

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

• Performing a fuzzy search may retrieve terms with similar spellings: thau xay ky nang xa hoi. hieu va co ((suc va) OR (duc va)) nhan ((vien cua) or (tien cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thau xay ky nang xa hoi. hieu va co ((suc va) OR (duc va)) nhan ((vien cua) OR (tien cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thau xay ky nang xa hoi. hieu va co ((suc va) OR (duc va)) nhan ((vien cua) or (tien cua)) te".
• Adding a wildcard symbol may retrieve word variants: thau xay ky nang xa hoi. hieu va co ((suc va) OR (duc va)) nhan ((vien cua) or (tien cua)) te*.