Perhaps you should try some spelling variations:
tran hoang » tran hong, quan hoang, tran quang
van hoang » van hoan, quan hoang, tuan hoang
su triet » su viet, su tien, ve triet
va cham » va chat, va tham
nang xa » nang x, lang xa, nang ma
te sach » toc sach
ve cam » ve cham, ve cac, va cam
y nang » ky nang, ly nang, v nang
di su » doi su, ki su, da su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang xa hoi. hieu ((ve cam) or (va cham)) xuc ((van hoang) OR (tran hoang)) di su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu ((ve cam) OR (va cham)) xuc ((van hoang) OR (tran hoang)) di su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. hieu ((ve cam) or (va cham)) xuc ((van hoang) OR (tran hoang)) di su triet".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu ((ve cam) or (va cham)) xuc ((van hoang) OR (tran hoang)) di su triet*.