Perhaps you should try some spelling variations:
quen thuat » quen thu
quyen vang » quyen van, quyet van, huyen van
nhung tam » nhung tram, nhung nam, nhung tap
tam quyen » tam tuyen, mau quyen
gian truc » gian truoc, giay truc, gian tru
nhung lam » nhung nam, nhung lan, nhung cam
thuat bai » thuat bao, thuyet bai, thuat xay
truc lap » truc va, truc may, tu lap
lam quen » lam nen
quen van » quyen van, quan van, que van

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung tam quyen vang. thoi gian truc lap ) OR ( nhung lam quen van. thoi quen thuat bai ))~.
• Adding a wildcard symbol may retrieve word variants: (( nhung tam quyen vang. thoi gian truc lap ) or ( nhung lam quen van. thoi quen thuat bai ))*.