Perhaps you should try some spelling variations:
trinh tai » trinh toan, trinh tu, trinh han
tang van » dang van, hoang van, trong van
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
xuc lap » tuc lap, truc lap
cuc tre » duc tre, cua tre, cuu tre
va cam » va cham, va cac, va cai
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty ((tang van) or (lang xa)) hoi. hieu ((va cam) or (va cao)) xuc lap trinh tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((tang van) OR (lang xa)) hoi. hieu ((va cam) OR (va cao)) xuc lap trinh tai cuc tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty ((tang van) or (lang xa)) hoi. hieu ((va cam) or (va cao)) xuc lap trinh tai cuc tre*.