Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thanh va » thanh van, hanh va, thanh ha
vu sach » vu bach, su sach, vu khach
van cam » van nam, van lam, van cau
cua tuc » cua duc, cua tu, cua thuoc
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
cam lo » nam lo, cam ly, cam o
lo gia » ho gia, co gia, do gia
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: vu sach ((y nang) OR (v nang)) xa hoi. hieu van cam lo gia thanh va ((cua te) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((y nang) OR (v nang)) xa hoi. hieu van cam lo gia thanh va ((cua te) OR (cua tuc)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((y nang) OR (v nang)) xa hoi. hieu van cam lo gia thanh va ((cua te) or (cua tuc))".
• Adding a wildcard symbol may retrieve word variants: vu sach ((y nang) OR (v nang)) xa hoi. hieu van cam lo gia thanh va ((cua te) or (cua tuc))*.